pgpfan:minimalist
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pgpfan:minimalist [2020/05/27 19:29] – Another Signal comment. b.walzer | pgpfan:minimalist [2020/06/11 01:08] – index b.walzer | ||
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The simple key handling is where the minimalism comes from. It is why PGP can be used in so many non-email contexts. | The simple key handling is where the minimalism comes from. It is why PGP can be used in so many non-email contexts. | ||
- | As a contrast, consider the Signal Protocol for instant messaging. I will not attempt to describe Signal in any detail as I would get parts of it wrong. It would also make for a pointlessly long article. There is a high level description of the Signal protocol [[https:// | + | As a contrast, consider the Signal Protocol for instant messaging. I will not attempt to describe Signal in any detail as I would get parts of it wrong. It would also make for a pointlessly long article. There is a high level description of the Signal protocol [[https:// |
- | * Signal has at least 2 systems for creating [[pgpfan: | + | * Signal has at least 2 systems for creating [[pgpfan: |
- | * Because of the integration of authentication and encryption, more functionality is required to undo the authentication and produce deniability. | + | |
* A Signal session requires the storage and maintenance of a lot of state information. | * A Signal session requires the storage and maintenance of a lot of state information. | ||
- | * Signal | + | * Signal |
+ | * Signal achieves [[pgpfan: | ||
+ | * Supporting the SIgnal protocol in practice requires a separate system to store past messages. Since this is at odds with [[forward_secrecy|forward secrecy]] such a system will end up with a system to delete old messages. | ||
+ | |||
+ | The Signal Protocol is built on ideas from the [[pgpfan: | ||
+ | |||
+ | [[pgpfan: | ||
- | The Signal Protocol is built on ideas from the [[pgpfan: | ||
pgpfan/minimalist.txt · Last modified: 2021/06/15 19:50 by b.walzer